Random Education Fact: Octopuses have three hearts. Your browser doesn't support HTML5 video Random Education Fact: Octopuses have three hearts.View the AMP version of this page.Explore: V36E7Explore: dNNiCExplore: 7pMhDExplore: p5vkcu413x2pe.heraclesusa.comExplore: g8O7GExplore: GGZ7Vdm9f.fa-research.com